Hypertherm HTA Rev 6.00 Operators Manual - Manual (Page 197)

Appendix B: Sensor™ THC 183
Voltage Tracking Range
The Voltage Tracking Range parameter specifies the allowable variation in arc voltage from the
setpoint. If the arc voltage should go above or fall below this allowable range, the system will
fault and pause cutting.
IHS in Manual
The IHS in Manual setup parameter allows the operator to select whether or not to use the Initial
Height Sense feature when operating the Sensor THC in manual mode.
Retract Full/Partial
Selects the retract distance to be set at Full or Partial. In the Full retract mode, the torch will
retract to the Home position. In Partial retract mode, the torch will retract to the set retract
distance.
Partial Retract Distance
This setup parameter is used to select the THC Retract Distance when configured for partial
retract mode.
Start IHS Distance
The Start IHS Distance specifies the distance of travel for the THC to move the torch at high
speed before switching to low speed and beginning Initial Height Sense. Caution should be taken
when selecting this distance so that the torch does not crash into the plate.
Skip IHS Within
The Skip IHS Within feature is used to disable Initial Height Sense at pierce points if it falls within
the selected distance to increase cutting productivity. The distance is measured from the end
point of the cut segment to the next pierce point. If this distance falls within the selected Skip IHS
Within distance, no IHS will take place.
Preflow During IHS
Selecting ON will activate Preflow during the IHS cycle.
Early Preflow if Skip IHS
Selecting ON will activate Preflow during the traverse prior to the pierce while the skip IHS feature
is used.
Nozzle Contact IHS
This parameter would be set to ON to select the Sensor THC to use Contact Sense to detect the
plate during the IHS cycle. It is recommended that Nozzle Contact Initial Height Sense be used
when cutting light gauge material to prevent plate deflection.
Nozzle Contact During Cut
This parameter would be set to ON to select the Sensor THC to use the Contact Sense input to
detect the plate contact during cutting and pause operation.
Offset IHS
The Offset IHS feature is used to activate a remote probe for plate detection and Initial Height
Sense. With this feature enabled, the control system will execute the Tool / Marker Offset
number nine. This will move the Plasma cutting torch the distance of the offset, perform the IHS
and then return the Plasma torch to the pierce location at each commanded pierce / cut on. The
Z axis parameter is used to adjust for height differences between the torch and the probe.